Home / 1,683,819.88-2,525,710.62-485,702.68

Finding the Fourth Proportional to 1,683,819.88, 2,525,710.62 and 485,702.68

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Solution

The fourth proportional to 1,683,819.88, 2,525,710.62 and 485,702.68 is: 728,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,819.88 : 2,525,710.62 = 485,702.68 : x
  2. Step 2: Convert to fraction form
    1,683,819.88/2,525,710.62 = 485,702.68/x
  3. Step 3: Cross multiply
    1,683,819.88x = 2,525,710.62 × 485,702.68
  4. Step 4: Simplify right side
    1,683,819.88x = 1,226,744,417,038.46
  5. Step 5: Solve for x
    x = 1,226,744,417,038.46/1,683,819.88
  6. Step 6: Final answer
    x = 728,548.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.